Dual ball hitch



FIG. 1 is a top front perspective view of a dual ball hitch, showing my new design;

FIG. 2 is a top rear perspective view thereof;

FIG. 3 is a top plan view thereof, with the bottom plan view being a mirror image thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a right side elevation view thereof, with the left side elevation view being a mirror image thereof.

The broken lines shown in the drawings depict a portion of the article that forms no part of the claimed design. 

CLAIM The ornamental design for a dual ball hitch, as shown and described. 